Q: All Music Deleted from iTunes

After updating my iPhone with IOS 7 a few weeks ago (the day after it was released) all my music and playlists have been deleted from iTunes. They are still on my phone. I reimported the music saved on my laptop's hard drive but that doesn't have any of the rating info that I had given songs and I havent been able to find any the playlists saved on my laptop. How to I sync up the song related data and playlists that are on my phone with iTunes?  Without delting it from my phone? When I go to sync it now it is treating it like music synced from another account and says it will delete it.

Specs:

phone is iPhone 5 with IOS 7

iTunes - whatever the lastest version is, I updated it last night

Laptop is Windows 7